42724842724 has 12 divisors (see below), whose sum is σ = 76179201084. Its totient is φ = 20959356704.

The previous prime is 42724842701. The next prime is 42724842751.

42724842724 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 18023062500 + 24701780224 = 134250^2 + 157168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100765927 + ... + 100766350.

It is an arithmetic number, because the mean of its divisors is an integer number (6348266757).

Almost surely, 2^42724842724 is an apocalyptic number.

It is an amenable number.

42724842724 is a deficient number, since it is larger than the sum of its proper divisors (33454358360).

42724842724 is a wasteful number, since it uses less digits than its factorization.

42724842724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201532334 (or 201532332 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 46.

The spelling of 42724842724 in words is "forty-two billion, seven hundred twenty-four million, eight hundred forty-two thousand, seven hundred twenty-four".